linux linux kernel 2.6.21.7 vulnerabilities and exploits

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Integer overflow in the dccp_setsockopt_change function in net/dccp/proto.c in the Datagram Congestion Control Protocol (DCCP) subsystem in the Linux kernel 2.6.17-rc1 up to and including 2.6.26.2 allows remote malicious users to cause a denial of service (panic) via a crafted in...

Integer underflow in the e1000_clean_rx_irq function in drivers/net/e1000/e1000_main.c in the e1000 driver in the Linux kernel prior to 2.6.30-rc8, the e1000e driver in the Linux kernel, and Intel Wired Ethernet (aka e1000) prior to 7.5.5 allows remote malicious users to cause a ...

The asn1 implementation in (a) the Linux kernel 2.4 prior to 2.4.36.6 and 2.6 prior to 2.6.25.5, as used in the cifs and ip_nat_snmp_basic modules; and (b) the gxsnmp package; does not properly validate length values during decoding of ASN.1 BER data, which allows remote maliciou...

fs/nfs/client.c in the Linux kernel prior to 2.6.23 does not properly initialize a certain structure member that stores the maximum NFS filename length, which allows local users to cause a denial of service (OOPS) via a long filename, related to the encode_lookup function.

The sctp_rcv_ootb function in the SCTP implementation in the Linux kernel prior to 2.6.23 allows remote malicious users to cause a denial of service (infinite loop) via (1) an Out Of The Blue (OOTB) chunk or (2) a chunk of zero length.

VFS in the Linux kernel prior to 2.6.22.16, and 2.6.23.x prior to 2.6.23.14, performs tests of access mode by using the flag variable instead of the acc_mode variable, which might allow local users to bypass intended permissions and remove directories.

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The (1) sys32_mremap function in arch/sparc64/kernel/sys_sparc32.c, the (2) sparc_mmap_check function in arch/sparc/kernel/sys_sparc.c, and the (3) sparc64_mmap_check function in arch/sparc64/kernel/sys_sparc.c, in the Linux kernel prior to 2.6.25.4, omit some virtual-address ran...

The pppol2tp_recvmsg function in drivers/net/pppol2tp.c in the Linux kernel 2.6 prior to 2.6.26-rc6 allows remote malicious users to cause a denial of service (kernel heap memory corruption and system crash) and possibly have unspecified other impact via a crafted PPPOL2TP packet...

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